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Questions tagged [interface]

333 questions
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"Breadcrumbs" for series of hostnames?

Does anyone know of a shell that would show a series of breadcrumbs as I navigate into/out of various servers, like this: Home > Build Machine > Vagrant > Docker-base Hopefully it could auto-detect logging in and out of various boxes and display…
Hamy
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SSH timeouts between hosts which are connected via multiple routes

I've a nasty problem with ssh connections between hosts, which are connected via multiple ways (routes). To explain this in detail ... As you can see, there are two possible ways between the hosts, that the packets can travel (green and red line).…
codepoet
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Windows Server 2008/2012 with 2 public IP, how bind .exe to particular IP

On Windows Server 2008 R2 or 2012, if I have 2 public IP, how can I manage applications to use first or second IP? Can Windows Server do this (like via Properties on .exe file) or this is possible only if this is implemented in application? If this…
Sickboy
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ntop not reporting on all interfaces

I'm trying to setup ntop on our machine to see which traffic per IP address on our machine, our machines usually have a /28 allocation and this is configured correctly within CetnOS however ntop is only reporting on the first 7 on them. (eth1:1-8)…
Jono20201
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How can I ping through different interfaces (subnets) without using a router device?

I have a big problem around this issue. I want to be able to ping and access TFTP through my WIFI interface (wlan0) through my wired interface (eth0) pc1_eth->LTdhcps2_eth0->LTdhcps2_wlan0->pc2_wlan and the…
MaikoID
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linux kernel configuration to filter multicast traffic based on interface

I have two virtual interfaces (eth0.2, eth0.3) in my PC. I am sending multicast data from eth0.2 to eth0.2. Multicast data is received in eth0.2 but also received in eth0.3, the other virtual interface. After a study I understand that Linux kernel…
arr
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Cisco Switch: trigger mac-address table update

If I run show mac-address-table dynamic I get a bunch of mac addresses on that table. But due to the aging parameter, I don't see the mac addresses of all possible devices on the network that come through that switch. Is there a way to force an…
Megaslav
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RHEL 5 blocking outgoing traffic, incoming SSH works, traffic on 2nd interface works, iptables is off

I'm having a strange problem with an RHEL 5 server. I changed its IP address, we are migrating to a new address pool, and something is blocking all outgoing traffic, but I can SSH in on that interface (eth0). All traffic works properly on our…
Erik Weiss
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Extract ip, mask and gateway of a network interface separately

I know that the command ifconfig will give you ip, mask and gateway of a given network interface. I want to "programmatically" extract each of those paramaters separately. At the moment the best solution I can think of is to do some parsing by using…
Randomblue
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Can't see other network interface in Debian Etch

I know there are two physical network interfaces in our server (haven't seen it live, but person from datacenter confirmed two ethernet sockets). Problem is, I can only see one via ifconfig -a. At first, here's what lspci reported: # lspci -vv|grep…
Karolis T.
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Changing network interface names on RedHat

I have a DELL server running RedHat EL 6.3 with two 1G network interfaces, and two 10G network interfaces. Following this note, I have successfully renamed the two 1G network interfaces that used to be called em1 and em2. However, I cannot rename…
Randomblue
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Ubuntu second static IP, ifconfig, /etc/network/interfaces

I would like to add a second static IP to my local Ubuntu 11.10 desktop machine and have it automatically available after rebooting. So far I am successfully using ifconfig to to temporarily set up an alias for my primary network interface: #…
Schmoove
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How to execute a script only once, immediately after ALL network interfaces are up in OpenSUSE?

I run Opensuse 12.2. I have 3 network interfaces, eth[012] The interfaces are configured in /etc/sysconfig/network/ifcfg-eth[012] I want to execute a script immediately after ALL three interfaces are 'up'. Adding…
Dan A
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Route Traffic Through Linux Server With Two Devices

Here is my current setup (all servers are Ubuntu Server Edition 12.04): Server 0 has two devices, eth0 and eth1. eth0 is connected to the wall (the internet), and eth1 is connected to a switch. eth1 has the following entry in…
Tanaki
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Static network interface settings in Ubuntu

I am following the guide here to configure a fresh Ubuntu 12.04 server installation (running in VirtualBox) with a static IP address. The recommended configuration in /etc/network/interfaces is: auto lo iface lo inet loopback auto eth0 iface eth0…
Ade
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